Cleveland Iron Works PS20W
#2 in Pellet stovesFull review
A low cost, efficient small pellet stove with app control for a cabin, garage apartment or a few rooms.
Amazon $999$999
The Cleveland Iron Works PS20W rates 3.9 among pellet stoves stoves; the Comfort Glow CGWI1800 Insert rates 3.3 among inserts ones. The Cleveland Iron Works PS20W costs $300 less ($999 vs $1,299).
Comfort Glow CGWI1800 Insert
#5 in InsertsFull review
A good value way to turn an open fireplace into a working heater for up to about 1,200 sq ft, with the blower and faceplate included. Have it installed to the manual and local code.
Amazon $1,299$1,299
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (pellet stoves and inserts), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Cleveland Iron Works PS20W | Comfort Glow CGWI1800 Insert |
|---|---|---|
| Overall rating | 3.9/5 | 3.3/5 |
| Efficiency 30% | 100 85% EPA tested efficiency (HHV) | 65 73% EPA tested efficiency (HHV) |
| Value 30% | 55 $35.15 per 1,000 BTU of EPA tested output ($999, 28,423 BTU) | 53 $45.67 per 1,000 BTU of EPA tested output ($1,299, 28,445 BTU) |
| Emissions 15% | 51 1.2 g/h of smoke particles (EPA) | 29 1.8 g/h of smoke particles (EPA) |
| Warranty 10% | 50 warranty not published (neutral score used) | 11 2-year warranty |
| Convenience 15% | 60 burn time not published, thermostat not stated, app control | 70 takes 18 in logs, blower included |
Specifications
| Cleveland Iron Works PS20W | Comfort Glow CGWI1800 Insert | |
|---|---|---|
| EPA certification | ||
| EPA certified | Yes (2020 standard) | Yes (2020 standard) |
| Efficiency (HHV) | 85% | 73% |
| Emissions | 1.2 g/h | 1.8 g/h |
| Tested heat output | 12,876 to 28,423 BTU | 10,689 to 28,445 BTU |
| Heating | ||
| Fuel | Wood pellets | Cord wood |
| Type | Freestanding | Fireplace insert |
| Heats up to | 1,200 sq ft | 1,200 sq ft |
| Catalytic | No | No |
| Blower | - | Included |
| Thermostat | - | No |
| App control | Yes | No |
| Fuel | ||
| Firebox | - | 1.2 cu ft |
| Longest log | - | 18 in |
| Hopper | 24 lb | - |
| Power needed | 120 V outlet | 120 V outlet |
| Installation | ||
| Mobile home approved | - | No |
| Safety listing | - | UL |
| Dimensions | - | 44 x 20 x 31 in (W x D x H, with faceplate) |
| Warranty | - | 2 years |
| Released | 2018-12 | 2024-09 |